公开(公告)号：US20180062954A1

公开(公告)日：2018-03-01

申请号：US15557548

申请日：2015-05-22

Applicant: HITACHI, LTD.

Inventor： Takahiro YOKOYAMA ,  Shinji HAMADA ,  Takashi ICHIMURA ,  Noriaki TAKAHASHI ,  Hirokazu MATSUMOTO ,  Yoshihisa IDA

IPC: H04L12/26

CPC classification number: H04L43/045 ,  G06F16/27 ,  H04L43/0864 ,  H04L43/12 ,  H04L51/34

Abstract: Issuing sources of telegrams are identified on the basis of the relevance between the telegrams transmitted and received between servers. A telegram analysis method for a telegram analysis apparatus for associating telegrams with each other, which are transmitted and received between a plurality of servers connected via a network apparatus, wherein the telegram analysis method includes: a step executed by the telegram analysis apparatus capturing packets transmitted and received between the servers; a step executed by the telegram analysis apparatus identifying protocols of the packets and a telegram type indicative of either a request telegram or a response telegram, and assembling the protocols into telegrams; and a step executed by the telegram analysis apparatus associating a plurality of telegrams with each other, which are transmitted and received between the respective servers on the basis of request receipt times and response receipt times of the telegrams.